CVE-2026-31846

Medium

Description

Missing authentication in the /goform/ate endpoint in Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 allows an adjacent unauthenticated attacker to retrieve sensitive device information, including the administrator password. An attacker can decode this value to obtain valid administrative credentials and authenticate to the device.

SeverityMedium
CVSS6.5
Exploit probability—
ProductNebula 300+ / Tenda F3 V2.0 Firmware
PublishedMar 23, 2026
First seenMar 23, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Nexxt Solutions Nebula 300+ / Tenda F3 V2.0 Firmware<= 12.01.01.37—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.